Stackable chair or similar article



FIG. 1 is a perspective view of my stackable chair or similar article incorporating my invention;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view opposite to that shown in FIG. 3; and

FIG. 5 is a rear view thereof;

FIG. 6 is a top plan view; and

FIG. 7 is a bottom plan view. 

The ornamental design for stackable chair or similar article, as shown and described. 